That's because the /RPC2 interface was for the old version 0.3 of Browsershots which moved to http://v03.browsershots.org/ for historic reference.
102.
Text-mode?
103.
Browsershots makes screenshots of your web design in different operating systems and browsers.
104.
Where do you get all those different machines?
105.
Unsupported content type: %s.
106.
URLs are not allowed here.
107.
Everybody can add URLs to the job queue on a central server. Volunteers use a small program to automatically make screenshots of web pages in their browser and upload the results to the server.
108.
This is not the requested Flash version.
109.
No purchases could be found for this user account.
110.
We're trying to make this service easy to use, open for all (including access to the source code) and 100%% free.